Steel pipe nipples :
AMERICAN STANDARD : ASTM A733
PIPE: ASTM A53 / ASTM A106 / ASTM A333
THREADS: ANSI B1.20.1
SCH:40.80.160.XXS
BRITISH STANDARD : BS EN10241
PIPE: BS1387, MEDIUM & HEAVY
THREADS: ISO 7/1
DIN STANDARD : DIN2982
PIPE: DIN2440, MEDIUM & HEAVY
THREADS: DIN2999
Merchant Couplings :
American Standard: ASTM A865
British Standard: BS EN10241
DIN Standard: DIN2999
Steel Pipe Nipples